/ Dictionary / Index B BPI: Meaning and Definition of Find definitions for: BPI Pronunciation: [key] &hasp; bits per inch. bytes per inch. Bureau of Public Inquiries. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bpi (Thesaurus) B.Phil. B-picture Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language